<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>index</title>
</head>
<body>
    <button id="btn">clickMe</button>
    <div id="container">
        <h3>HelloWorld!</h3>
        <script src="/xuni/bundle.js"></script>
    </div>
</body>
</html>